C09K 23/10
Derivatives of low-molecular-weight sulfocarboxylic acids or sulfopolycarboxylic acids
C09K23/10 (Derivatives of low-molecular-weight sulfocarboxylic acids or sulfopolycarboxylic acids) appears on 13 US grants and 5 published applications in this corpus.
Search patents in C09K- Granted patents
- 13
- Published applications
- 5
- Assignees
- 14
- Inventors
- 29
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 3 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sulfonate composition22 Sep 2026US 12,742,121 B2Kao Corporation
- Surfactant composition25 Jun 2024US 12,018,230 B2Kao Corporation
- Dendritic emulsifiers and methods for their use and preparation24 Mar 2015US 8,986,771 B2Purdue Research Institute Foundation
- Emulsification of alkenyl succinic anhydride size7 Sep 2004US 6,787,574 B1Georgia-Pacific Resins, Inc.
- Concentrated aqueous dialkylsulfosuccinate wetting agent formulation having low volatile organic compound content30 Apr 1996US 5,512,211 ACytec Technology Corp.
- Dispersant for graphite and graphene and applications thereof28 Aug 2025US 2025/0270448 A1Chiang, Fung-Ming
- Method for producing sulfonate composition19 Oct 2023US 2023/0331666 A1Kao Corporation
- Sulfonate composition19 Oct 2023US 2023/0332050 A1Kao Corporation
- Surfactant composition20 Apr 2023US 2023/0121566 A1Kao Corporation
- Dendritic emulsifiers and methods for their use and preparation17 Jan 2013US 2013/0017308 A1Purdue Research Foundation
Most cited
By later US patents
- Pulp and papermaking additive23US 4,107,073 ANalco Chemical Company · 1978
- Use of surface-active alpha-sulfo-fatty acid di-salts in water and oil based drilling fluids and other drill-hole treatment agents19US 5,508,258 AHenkel Kommanditgesellschaft auf Aktien · 1996
- Emulsification of alkenyl succinic anhydride size13US 6,787,574 B1Georgia-Pacific Resins, Inc. · 2004
- Bisulfite terminated oligomers as dispersing agents10US 4,004,939 AUniroyal, Inc. · 1977
- Method for production of high solid aqueous calcium carbonate suspensions10US 5,317,053 AECC International Limited · 1994